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United States Patent | 5,067,498 |
Wheless ,   et al. | November 26, 1991 |
An apparatus for cutting and forming tubular members useful for positioning heat sources inside a smoking article is disclosed. The tubular members are carried by a plurality of fluted drums from one operation to the next. The tubular members are cut to the desired size by a plurality of rotating circular knives. The ends of the tubular members are then formed by one or more dies that are caused to move into contact with the ends of the tubular members.
Inventors: | Wheless; Jack C. (Richmond, VA); Keen, Jr.; Billy J. (Chesterfield, VA); Ritt, Sr.; Renzer R. (Richmond, VA) |
Assignee: | Philip Morris Incorporated (New York, NY) |
Appl. No.: | 385006 |
Filed: | July 25, 1989 |
Current U.S. Class: | 131/88; 131/89; 131/91; 131/92; 131/93; 131/94 |
Intern'l Class: | A24C 005/00 |
Field of Search: | 131/280,88,89,91,93,94 |
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